7. State whether True or False. If false write the correct statement II

1. Bipinnaria is the larva of Mollusca.

The statement is

Bipinnaria is the larva of Echinodermata
Bipinnaria is the larva of Hemichordata

2. Balanoglossus is a ciliary feeder.

The statement is

Balanoglossus is a ciliary feeder and mostly remain as tubiculous forms
Sea urchin is a ciliary feeder

3. Fishes have two chambered heart.

The statement is

Fishes have two chambered heart with an auricle and a ventricle
Fishes have three chambered heart

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